He will now be the subject of a report to the Public Prosecution Service.
The search was carried out by the department’s Medicines Regulatory Group.
Its senior enforcement office, Peter Moore, said: “It is vital that we get the message across that unlicensed medications can be hazardous.
“These types of items being offered, normally online, have gone through no quality control and there can be no assurance about their safety.
“You just do not know what you are taking or the conditions these products were made in. More importantly, you do not understand the result drugs like this may have on your health.”